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MODEL 1054B pH/ORP

SECTION 8.0

DIAGNOSTICS AND TROUBLESHOOTING

SECTION 8.0

DIAGNOSTICS AND TROUBLESHOOTING

8.1 DIAGNOSTICS.

The Model 1054B has a diag-

nostic feature which automatically searches for fault
conditions that would cause an error in the measured
pH/ORP value. If such a condition occurs, the current
output and relays will act as configured in

and the fault flag and display will flash. A fault code
mnemonic will display at frequent intervals. If more
than one fault condition exists, the display will
sequence the faults at one second intervals. This will
continue until the cause of the fault has been correct-
ed. Display of fault mnemonics is suppressed when in
Set Mode. Selecting the

item will display a history

of the two most recent fault conditions unless

cleared. Refer to

NOTE

If the analyzer is in hold and a fault
occurs, the mnemonic

HLd

will display

during the fault sequence.

8.1.1 Fault Mnemonics.

lists the fault

mnemonics and describes the meaning of each.

8.1.2 Temperature Compensation.

ready reference of RTD resistance values at various
temperatures. These are used for test and evaluation
of the sensor.

NOTE

Ohmic values are read across the RTD
element and are based on the manu-
facturer’s stated values (±1%). Allow
enough time for the RTD element to
stabilize to the surrounding temperature.

TABLE 8-1. Fault Mnemonics

Display

Description

CAL

Warning to calibrate or clean sensor.

CHS

ROM failure (check sum error) (bad ROM chip).

COP

Computer not operating properly.

EEP

EEPROM write error (bad EEPROM chip).

FAC

Factory calibration required.

i n H

Input shorted.

i n L

Sensor miswired.

Display

Description

OId

Electrode worn out, coated, or non-immersed.

SEn

Sensor line error or wire length error.

SHt

Glass electrode cracked or broken.

SLP

Slope variance error.

tcH

/

trH

High temperature compensation error.

tcL

/

trL

Low temperature or shorted RTD.

Std

Standardization error.

TABLE 8-2. RTD Resistance Values

Temperature

Resistance

0 °C

100.00 ohms

10 °C

103.90 ohms

20 °C

107.79 ohms

30 °C

111.67 ohms

40 °C

115.54 ohms

50 °C

119.40 ohms

60 °C

123.24 ohms

70 °C

127.07 ohms

80 °C

130.89 ohms

90 °C

134.70 ohms

100 °C

138.50 ohms

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Содержание 1054B

Страница 1: ...Model 1054B pH ORP Microprocessor pH ORP Analyzer Instruction Manual PN 5101054BP May 2000 FREE EXTENDED WARRANTY See offer at back of manual ...

Страница 2: ...ion Manual is not the correct manual telephone 1 800 654 7768 and the requested manual will be provided Save this Instruction Manual for future reference If you do not understand any of the instructions contact your Rosemount representative for clarification Follow all warnings cautions and instructions marked on and supplied with the product Inform and educate your personnel in the proper instal ...

Страница 3: ......

Страница 4: ...4 6 pH Electrode Diagnostics 26 4 7 Solution Temperature Compensation and Isopotential Point 27 4 8 Defaults 28 4 9 Automatic Buffer Mode 29 4 10 Alarm Setpoint 30 4 11 Output Scale Expansion 31 4 12 Simulate Current Output 32 5 5 0 0 S ST TA AR RT T U UP P A AN ND D C CA AL LI IB BR RA AT TI IO ON N 3 33 3 5 1 Start Up and Calibration 33 5 2 Temperature Calibration 33 5 3 Buffer Calibration 33 5 ...

Страница 5: ...21 4 3 Interval Timer Example 24 4 4 Alarm Setpoint 30 4 5 Output Scale Expansion 31 4 6 Simulate Current Output 32 LIST OF TABLES Table No Title Page 3 1 Key Description 16 3 2 Information Mnemonics 17 3 3 Set Function Mnemonics 17 4 1 Configuration Work Sheet pH 20 4 2 Configuration Worksheet ORP 22 4 3 Relay States For Various Analyzer Conditions Alarm Default Config 28 4 4 Buffer Standards 29 ...

Страница 6: ... over the measurement range for either direct or reverse action A hold output function is available for allowing manual control during routine sensor maintenance During hold mode the output will be at a preset or last process value In the event of one of the following conditions the analyzer will drive the output to a preset value in addi tion to displaying a fault code The Model 1054B pH s contin...

Страница 7: ... elec trode slope can be read on the display and manually adjusted A one point process standardization is also easily accomplished by entering the pH value of a grab sample INSTRUMENT SPECIFICATIONS 25 C Measurement Range 0 to 14 pH Output Scale Expansion Zero suppression up to 13 pH units Span Any pH from 1 to 14 Accuracy 0 01 pH Repeatability 0 01 pH Stability 0 01 pH month non cumulative Temper...

Страница 8: ...ity If the latches are not installed exactly as shown they will not work correctly The screws provided are self tapping Tap the screw the full depth of the mounting latch refer to side view leaving a gap greater than the thickness of the cutout panel 3 Align the latches as shown and insert the analyz er enclosure through the front of the panel cutout Tighten the screws for a firm fit To avoid dama...

Страница 9: ... 4 ELECTRICAL WIRING The Model 1054B has three conduit openings in the bottom rear of the analyzer housing which will accommodate 1 2 inch conduit fittings From a back view the conduit open ing on the left is for timer alarm and AC connec tions the center is for signal output and the opening on the right is for sensor wiring AC power wiring should be 14 gauge or greater The wall mount enclosure ha...

Страница 10: ...5 FIGURE 2 1 Panel Mounting Cutout MODEL 1054B pH ORP SECTION 2 0 INSTALLATION WHEN INCH AND METRIC DIMS ARE GIVEN MILLIMETER INCH DWG NO REV 41054B01 B ...

Страница 11: ...6 MODEL 1054B pH ORP SECTION 2 0 INSTALLATION FIGURE 2 2 Panel Mounting Tab Installation DWG NO REV 41054A26 A ...

Страница 12: ...J Box Installation DWG NO REV 41054A27 A ITEM PART NUMBER DESCRIPTION QUANTITY 1 23058 01 S Assy J Box 1 2 33030 00 Bracket wall mtg 1 3 9900600 Nut 6 32 Hex 4 4 9910600 Washer Flat 6 4 5 9910610 Washer Lock Int 6 8 6 9600612 Screw 6 32 X 75 4 7 9510048 Seal Weathertight 1 ...

Страница 13: ...MODEL 1054B pH ORP SECTION 2 0 INSTALLATION 8 FIGURE 2 4 Wall Mounting J Box Wiring DWG NO REV 41054B13 B WHEN INCH AND METRIC DIMS ARE GIVEN MILLIMETER INCH ...

Страница 14: ...MODEL 1054B pH ORP SECTION 2 0 INSTALLATION 9 FIGURE 2 5 Pipe Mounting Installation WHEN INCH AND METRIC DIMS ARE GIVEN MILLIMETER INCH DWG NO REV 41054B02 C ...

Страница 15: ...10 MODEL 1054B pH ORP SECTION 2 0 INSTALLATION FIGURE 2 6 Electrical Wiring DWG NO REV 41054B03 C ...

Страница 16: ...11 MODEL 1054B pH ORP SECTION 2 0 INSTALLATION FIGURE 2 7 Integral Preamp Wiring DWG NO REV 41054B32 B ...

Страница 17: ...12 MODEL 1054B pH ORP SECTION 2 0 INSTALLATION FIGURE 2 8 Wall Mount Enclosure Option 20 DWG NO REV 41054B43 A WHEN INCH AND METRIC DIMS ARE GIVEN MILLIMETER INCH ...

Страница 18: ...13 MODEL 1054B pH ORP SECTION 2 0 INSTALLATION FIGURE 2 9 Integral Preamp Wiring for Group II Wall Mount Enclosure DWG NO REV 41054B44 A MILLIMETER INCH ...

Страница 19: ...ssing the TEMP key once followed immediately by pressing the SELECT key AdJ displays to acknowledge the standardization function followed by the Numeric Display for user input Entering the known temperature of the measured solution will cause the analyzer to restandardize the temperature reading Refer to Section 5 2 C Alarm 1 and Alarm 2 Setpoint The alarm setpoint may be adjusted by pressing the ...

Страница 20: ...cated on the lower right side of the keypad are used for menu navigation value adjust ment and entry and item selection These keys per form the following functions A SELECT Shift ç Key This key is used to select the displayed menu or for shifting to the next digit in the Numeric Display MODEL 1054B pH ORP SECTION 3 0 DESCRIPTION OF CONTROLS ç SELECT ACCESS ENTER FIGURE 3 1 LCD DISPLAY RELAY 1 ACTI...

Страница 21: ...twice to access set up menu Enter displayed value into memory Enter displayed menu item flashing into memory Two Point Calibration pH Calibration ORP Displays Alarm 1 setpoint Set Function w SELECT Sets Alarm 1 setpoint Displays pH ORP Set Function w SELECT One point standardization of pH ORP PV Primary Variable Initiates or removes analyzer from hold condition Displays process temperature C or F ...

Страница 22: ...ent setpoint dAY Days dFt Fault Configuration d O Display output d t Display temperature diS Display Convention doc Display output in mA doF Relay delay off time don Relay delay on time dPn Dampen output dtS LCD LED Display test dur Timer duration Ein Display mV input DF Temperature F FLt Use alarm as fault alarm Hi Relay action high H L Alarm logic hr Hours HYS Hysteresis int Interval period Int ...

Страница 23: ...emain in memory even after the analyzer s power is removed the Model 1054B pH ORP configuration may be per formed prior to installing it 1 Power up the analyzer Only power input wiring is required for analyzer configuration Refer to Section 2 4 1 The analyzer s display will begin showing values and or fault mnemonics All fault mnemonics will be suppressed while the analyz er is in Set Mode the fau...

Страница 24: ...N H L HYS don doF On OFF Ein AL1 AL2 Int t C OUt InP iSO dFt AbF UEr dtS COd SEt Hi Lo tOn int cnt ont OFt dur tiL oFF on SEC uin hr dAY F oC doc Pct on oFF non non cur rL1 rL2 Cur SHO on oFF On FLt OFF 420 020 d t Atc dPn CUr d O rPH iPH tCO on oFF on oFF rES CAL SHt OId ...

Страница 25: ...emperature Setup t C 1 Display Temperature d t oC oF C _________ 2 Automatic Temperature Compensation Atc on oFF on _________ a Manual Temp Value 10 C to 125 C _________ E Current Output Setup OUt 1 mA Output CUr 020 420 420 _________ 2 Display Current Output d O Pct doc doc _________ 3 Dampen Current Output dPn 0 255 sec 0 0 Seconds _________ F Electrode Diagnostics Setup InP on oFF oFF 1 Temp co...

Страница 26: ...t On OFF Hi Lo oFF on SEC uin hr dAY On FLt OFF H L HYS don doF d t Atc F C tOn int Cnt Ont OFt dur tiL on oFF dPn CUr d O Or rO rL1 rL2 Cur SHO 420 020 non cur on oFF non doc Pct AL1 AL2 Int t C OUt d1S dFt UEr dtS COd FIGURE 4 2 Set Function Menu ORP ...

Страница 27: ...ration dur 0 to 299 9 sec 2 Seconds _________ D Temperature Setup t c 1 Display Temperature d t oC oF C _________ 2 Automatic t C Atc on oFF On _________ E Current Output Setup OUt 1 mA Output CUr 020 420 420 _________ 2 Display Current Output d O Pct doc doc _________ 3 Dampen Current Output dPn 0 255 sec 0 0 Seconds _________ F Displays Convention 1 U S Or European rO Or __________ G Default Set...

Страница 28: ...for relay activation after alarm setpoint is reached May be set from 0 to 255 seconds G Delay Time Off Display Mnemonic doF Sets time delay for relay deactivation after alarm setpoint is reached May be set from 0 to 255 seconds Alarm state restarts time from zero Use when a fixed time should pass before relay deactivation occurs 4 2 1 Alarm Setup AL1 AL2 1 Enter Set Mode by pressing ACCESS key twi...

Страница 29: ...e interval cycle oFF B Interval Period Display Mnemonic int Select this item to set the time period between control cycles SEC for seconds uin for minutes hr for hours and dAY for days May be set from a minimum of 10 min utes C Relay Activations Per Cycle Display Mnemonic cnt Select this item to enter the number of times the relay will activate per cycle May be set from 1 to 60 D Relay Activation ...

Страница 30: ...will flash indicating that a process temperature value is required proceed to Step 8 8 Use SCROLL é and SHIFT ç to display the desired value ENTER value into memory 9 Repeat Steps 4 8 as required for other item 10 Press the ENTER key to return to Set Menu 4 5 CURRENT OUTPUT Display Mnemonic OUt This item is used to configure the current output signal A Output Dampening Display Mnemonic dPn Dampens...

Страница 31: ...this fault NOTE The recommended process temperature range for the CAL diagnostic is 15 90 C 15 194 F For low impedance glass it is 15 80 C 59 176 F If ruggedized glass is used and the preamp is not in the sensor the minimum recommended temperature is 35 C 95 F If you want to use this feature as a warning yet not upset your process use Alarm 2 as a fault alarm Refer to Section 4 2 and set the defau...

Страница 32: ...he actual pH of a solution caused by changes in dissociation with temperature During standardization Section 5 4 if the sample pH is greater than about 6 5 and the lab test is run at a substantially different temperature than the process determine a value for tCO in pH C and enter that value The tCO should be determined over as narrow a temperature operating range as possible The isopotential poin...

Страница 33: ... 1 Enter Set Mode by pressing the ACCESS key twice 2 SCROLL é until dFt appears on the display 3 SELECT to move to the next menu level rL1 will display 4 SCROLL é then SELECT desired item 5 Display will show next item selection SCROLL é and ENTER desired item 6 Repeat Steps 4 and 5 as required for other default settings rL2 and Cur If cur is selected for Cur press ENTER then use the SCROLL é and S...

Страница 34: ...802 Japan standards The buffers are supplied by a wide variety of vendors NOTE If any buffers other than those listed here will be used such as some Fisher or Ingold buffers the AbF setting should be oFF and calibration instructions followed in Section 5 3 2 4 9 1 Automatic Calibration Setup 1 Enter the Set mode by pressing the ACCESS key twice 2 SCROLL é until AbF appears on the display 3 Press S...

Страница 35: ...to Section 4 2 1 Alarm Setup NOTE Alarm logic may be changed from normal ly open N O to normally closed N C by cutting circuits on the power supply PCB W 5 W 7 W 9 and adding jumpers W 4 W 6 W 8 3 SELECT to adjust the value The display will acknowledge briefly with AdJ followed by the Numeric Display with digit flashing 4 SCROLL é and SHIFT ç to display the desired value 5 ENTER value into memory ...

Страница 36: ...ç to display the desired value 5 ENTER value into memory The display will show LO and display the entered value B Full Scale F S Point 20 mA 1 Press the PV key to ensure that the analyzer is not in Set Mode 2 Press the ALARM 2 key twice The display will show HI briefly then display FULL SCALE point 3 SELECT to adjust the value The display will acknowledge briefly with AdJ followed by the Numeric D...

Страница 37: ...m hold press the HOLD key twice The hold flag on the display will be removed and the display will stop flashing B Simulate Output in Current SiC The output can be simulated in mA units if d O in Section 4 5 was configured to display current doc 1 Press the PV key once to ensure that the analyzer is not in the Set Mode 2 Press the OUTPUT key twice The display will show doc briefly then display the ...

Страница 38: ...lace the analyzer in hold 2 Obtain two buffer solutions with values at least two pH units apart Unopened buffers have a shelf life of about a year and once opened should generally not be reused because of possible con tamination 3 Shake the sensor down to remove entrapped air bubbles from the glass electrode tip 4 Place the sensing portion of the pH sensor into a beaker containing the first buffer...

Страница 39: ...en sor s slope 1 Take a grab sample which is as close to the sen sor as possible Write down the value the analy zer is reading at this time 2 Using a calibrated pH instrument with automatic temperature compensation determine the pH of the process or grab sample The calibration is best performed at the process temperature Write down this value If the sample pH is greater than about 6 5 and the lab ...

Страница 40: ...ate interpretation of results The ORP value of saturated quinhydrone solution is not stable over long periods of time therefore these solutions should be made up fresh each time they are used B FERRIC FERROUS AMMONIUM SULFATE SOLUTION This standard ORP solution is not as easy as the quinhydrone solution to prepare but is much more stable and will maintain its millivolt value for approximately one ...

Страница 41: ... stabilize Step 5 Press the PV or CAL key once then Press the SELECT key Std will show followed by the Numeric Display with digit flashing Step 6 SCROLL é and SHIFT ç to display the proper ORP value then ENTER it into memory Step 7 Press the HOLD key twice to remove the Model 1054B from hold The 1054B ORP is now ready for operation 5 9 SENSOR MAINTENANCE Before preforming maintenance or repair of ...

Страница 42: ...ncorrect value will result in bAd briefly displaying The analyzer will then return to numeric display and await the entry of the code Once unlocked the analyzer will allow access to all functions until the analyzer is either pow ered down or no keystrokes are made for a period of 2 minutes If the code should be forgotten pressing and holding the ACCESS key for 5 seconds will result in display of t...

Страница 43: ...of the sensor make a pre amplifier necessary for a reliable ORP signal to reach the transmitter The analog signal from the preamp is digitized by the signal conditioning circuit becoming a digital signal proportional to the ORP that can be read by the CPU This digital signal is then used to calculate an ORP value The CPU also contains an on board electrically erasa ble and programmable read only m...

Страница 44: ...cs and describes the meaning of each 8 1 2 Temperature Compensation Table 8 2 is a ready reference of RTD resistance values at various temperatures These are used for test and evaluation of the sensor NOTE Ohmic values are read across the RTD element and are based on the manu facturer s stated values 1 Allow enough time for the RTD element to stabilize to the surrounding temperature TABLE 8 1 Faul...

Страница 45: ...e sample technique as grab sample of process and equipment 2 Unclear what is correct 2 Test with buffer solution 3 Analyzer out of calibration 3 Recalibrate per start up and calibration section Fault code tcH tcL 1 Miswired or temperature 1 Check wiring between the sensor out of range and analyzer Check process temp 2 Open or shorted RTD 2 Replace RTD with new one Fault code inH or inL 1 Open wire...

Страница 46: ...between amplifier and 1054B 2 Bad preamplifier 2 Replace preamplifier 3 Defective CPU 3 Replace CPU PCB Fault code Std 1 Ground loop offset in process 1 Check all input wiring 2 Voltage on the 1000 ft after preamp process 2 Recheck buffer accuracy Fault code SEn 1 Open wire between sensor 1 Repair wire and 1054B 2 Maximum Cable length has been exceeded 2 Check wiring Fault code EEP 1 Defective EEP...

Страница 47: ...cant problem exists To read the millivolt input go to Section 8 2 5 For an additional diagnostics tool you can look at the rES impedance value as described in Section 4 6 8 2 5 Electrode Input 1054B pH Display Mnemonic Ein When selected the analyzer displays the millivolt input from the sensor The displayed value is not tem perature corrected 1 Press the ACCESS key twice SEt will briefly dis play ...

Страница 48: ...E 8 8 Ordering Information The Model 1054B Microprocessor Analyzer Housed in a corrosion resistant weatherproof enclosure and oper ates on either 115 or 230 VAC 50 60 Hz power Standard features include digital display isolated current output dual alarms and automatic or manual temperature compensation Model Description 1054B Microprocessor Analyzer 3 5 lb 1 5kg Code Measurement pH pH ORP Oxidation...

Страница 49: ...sup plied 4 Carefully package the materials and enclose your Letter of Transmittal and the completed copy of the Return of Materials Request form If possible pack the materials in the same manner as it was received IMPORTANT Please see second section of Return of Materials Request Form Compliance to the OSHA requirements is mandatory for the safety of all personnel MSDS forms and a certification t...

Страница 50: ...___________ __________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________ WARRANTY REPAIR REQUESTED YES REFERENCE ORIGINAL ROSEMOUNT ANALYTICAL ORDER NO _______________________________________________ CUSTOMER PURCHASE ORDER NO ____...

Страница 51: ...ZERLAND Baar Walterswil Fisher Rosemount UNITED ARAB EMIRATES Dubai Fisher Rosemount UNITED KINGDOM Bognor Regis Fisher Rosemount A Worldwide Network of Sales and Service The Rosemount customer sales and service organization comprises a network of fully equipped support centers strategi cally located throughout the world From many of these locations the Rosemount Group provides support distributio...

Страница 52: ...FOLD ALONG DOTTED LINES ...

Страница 53: ...pplication news check one sales representative mail fax my fax number is ____________________ E mail my e mail address is ____________________ phone CUSTOMER SATISFACTION SURVEY Please let us know how satisfied you are with your new instrument MODEL ______________________________ How easy was it to do the following Very Easy Somewhat Not Very Not At All Easy Easy Easy Unpack 1 2 3 4 Wire 1 2 3 4 M...

Страница 54: ...ss or damage directly or indirectly arising from the use of the equipment or goods from breach of any warranty or from any other cause All other warranties expressed or implied are hereby excluded IN CONSIDERATION OF THE STATED PURCHASE PRICE OF THE GOODS SELLER GRANTS ONLY THE ABOVE STAT ED EXPRESS WARRANTY NO OTHER WARRANTIES ARE GRANTED INCLUDING BUT NOT LIMITED TO EXPRESS AND IMPLIED WARRANTIE...

Страница 55: ...6 USA Tel 949 863 1181 http www RAuniloc com Rosemount Analytical Inc 1999 Credit Cards for U S Purchases Only UNILOC DIVISION CUSTOMER SUPPORT CENTER 1 800 854 8257 The right people the right answers right now ON LINE ORDERING NOW AVAILABLE ON OUR WEB SITE http www RAuniloc com ...

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